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CVE-2005-4794
Cisco IP Phones 7902/7905/7912, ATA 186/188, Unity Express, ACNS, and Subscriber Edge Services Manager (SESM) allows remote attackers to…
- 5.0MediumCVSS base score
- 2.4%Exploitation in 30 daysEPSS · top 16% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Cisco IP Phones 7902/7905/7912, ATA 186/188, Unity Express, ACNS, and Subscriber Edge Services Manager (SESM) allows remote attackers to cause a denial of service (crash or instability) via a compressed DNS packet with a label length byte with an incorrect offset.
Timeline
ID reserved
By mitre
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
12
- cisco-dns-dos(20712) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1014044 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 1014043 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 13729 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 15472 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.niscc.gov.uk/niscc/docs/re-20050524-00432.pdf?lang=en (opens in a new tab)x_refsource_MISCx_transferred
- 1014046 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 19003 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1015975 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20050524 Crafted DNS Packet Can Cause Denial Of Service (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 1014045 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.niscc.gov.uk/niscc/docs/al-20050524-00433.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2005-4787 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2005-4794)Record last updated .